Quadruplicating-book.



C. L. JOHNSTON & C. L. BLUETT.

- Patented Feb. 1o, 1914.

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lUNITED 'sTATEs PATENT carica CLARENCE L. JOHNSTON AND CHARLES L. BLUETT, F OAKLAND, CALIFORNIA.,

ASSIGNORS TO PACIFIC BURT CO., LTD., 0F EMERYVILLE, CALIFDRNIA, A CORPO- RATION OF ONTARIO, CANADA.

QUADRUPLIGATING-Boo'x.

To all 'whom it may concern Be it known that we, CLARENCE L. JOHNS- 'rox and CHARLES L. BLUETT, both citizens of the United States, residing at Oakland, in the county of Alameda and State of California, have invented new and useful Improvements in Quadruplicating-Books, of which the following is a specification.

This invention relates to quadruplicating sales books.

The invention consists of the parts and the construction and combination of parts as hereinafter more fully described and claimed, having reference to the accompanying drawings, in which- Figure l is a perspective view of the ded vice in folded position. Fig. 2 is a perspective view of the device in unfolded position. Fig. 3 `is a perspective view of the device folded for use. Fig. fl is a detail view showing the stubs. Fig. 5 is a perspective view of one of the detachable leaves. Fig. 6 is a diagrammatic view showing the manner of folding the leaves for use.

In carrying out the invention we build up a book comprising t-wo stacks of leaves l A-Bg the stack A being of transparent ma-A terial commonly known as tissue', and numbered consecutively beginning at 1 at the bottom of the stack; the highest number being at the top of the stack. This tissue stack A is bound to `one end of a back 2, which latter yis approximately twice the length of the stack A; the back 2 being of sufticient length to be folded over and overlie all but the stub 3 of the tissue stack A. The stackB is bound in a stub 4, to the top ofthe overlying Vportion of the back 2, so that Aordinarily the two stacks will lie one on topv of the other; the tissue stack being on top. The stack B is provided with a iexible stop card 5.

The stack B consists of leaves, each di.- vided crosswise by lines of perforations 6, into three substantially equal sections 7-8 and 9; each section being of approximately the' size of one ofthe tissue leaves of the stack A. A double-faced carbon 10 of approximately the size of section 7 is bound backward away from the stub.

Specification of Letters Patent. Patented Feb. 10, 194. Application filed April 21, 191,3. Serial No. 762,535. i

to the top of the stub 4 of the stack B. The middle section 8 is carbonized on its top face and imprinted on its under face asthe leaf 1s viewed when opened out; and the upper andl lower sections 7 9 are similarly iinprinted onv their top face, although not carbonized. lVhen the book is made up the sections 9-8-7 are over-folded on one another, so as to reduce the bulk of the book.

In practice when itis desired to make a quadruplicate record, the stack B is lifted so as to allow the tissue stack A to be thrown top leaf of stack B is lifted to allow the stop card '5 to be slid underneath and the leaf opened out. Next, the double-faced carbon l0 is over-laidv on the top section 7 A tissue sheet is then laidon the top of the double-faced carbon. Next the section 9 is folded over on the carbon face of the section 8 and then the two last folded sections are folded over on said transparent sheet, which over-lies the double-faced carbon. By writing then on the imprinted exposed surface of the middle section 8, a`

quadruplicate record is made.

The leaf containing the three sections 7-8-9 may then be torn out of the book leaving the tissue record in the book; the tissue record being then turned under the entire stack B, leaving a fresh tissue sheet exposed ready for the next operation.

' Having thus describedl our invention, what we claim and desire to secure by Letters Patent isy A quadruplicat'e book consisting of a stack of leaves, each divided crosswise into three substantially equalV sections, a stack of tissue leaves of approximately the size of one of said sections, a flexible b'ack by which the two stacks are connected so that one stack may overlie the other, a double-faced carbon of approximately.. the same size as one of said sections, and bound into the stub -of said sectional stack, the said'sectional stack having a middle section carbonized on its to face as the leaf is viewed when opene out, said double-faced'carbon fold"- able over the top section of said sheet, and

one of said tissue sheets foldable over the set oult` hands in the presence of two subdouble-faced carbon, the lower section of scrbing Witnesses. said sectional sheet foldable over the carbon eLENeE L. JosToN. face of the mlddle seetlon and two last x le., folded sections foldable ower said tissue CHLES L' BLUETT sheet Which over-lies the double-faced car- Witnesses: bon. CHAs. N. Ummm,

'In testimoy wv'hei'eo We have hereunto J; M. BUTwR.. 

